For the Inventor, By the Inventor

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Westford, MA, United States of America

Ascend Communications, Inc.

USPTO Granted Patents = 29

CIPO Patents = 3

Forward Citations = 1,533

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39 inventors (with patents filed for the assignee):

Mahesh N Ganmukhi (11 out of 40 patents)

Andrew T Hebb (5 out of 7 patents)

Patrick L DeAngelis (5 out of 5 patents)

4. Prasasth R Palnati (4 out of 4 patents)

5. Sanjay Cherian (3 out of 11 patents)

6. Tao Yang (3 out of 7 patents)

7. Brian Branscomb (2 out of 23 patents)

8. John Patrick Jones (2 out of 15 patents)

9. Arvind S Puntambekar (2 out of 2 patents)

10. Sushil Shelly (2 out of 2 patents)

11. Clark Bremer (2 out of 2 patents)

12. Christine E Severns (2 out of 2 patents)

13. Thomas Andrew Hoch (2 out of 8 patents)

14. Ronald Louis Baracka, Jr (2 out of 2 patents)

15. Jay P Duncanson (2 out of 4 patents)

Core Competencies:

Virtual Path Merging

Packet Classification

Flow Control

ATM Networks

Route Lookup Engine

Switch Fabric

Multicast Mapping

Bandwidth Allocation

High Speed Scheduling

Data Packet Processing

Network Switch

Telecommunications

29 patents: Sort by Forward Citations

1. 6967955 - Virtual path merging in a multipoint-to-point network tunneling protocol (2005-11-22),

2. 6711153 - Route lookup engine (2004-03-23),

3. 6667959 - Switch fabric testing (2003-12-23),

4. 6587463 - Packet classification engine (2003-07-01),

5. 6570854 - System and method for performing explicit rate marking for flow control in ATM networks using a virtual bandwidth-based methodology (2003-05-27),

6. 6553002 - Apparatus and method for routing data packets through a communications network (2003-04-22),

7. 6463067 - Submission and response architecture for route lookup and packet classification requests (2002-10-08),

8. 6396838 - Management of free space in an ATM virtual connection parameter table (2002-05-28),

9. 6320864 - Logical multicasting method and apparatus (2001-11-20),

10. 6259693 - Cell combination to utilize available switch bandwidth (2001-07-10),

11. 6233243 - Method and apparatus for performing cut-through virtual circuit merging (2001-05-15),

12. 6192046 - Apparatus and method for efficiently transferring ATM cells across a backplane in a network switch (2001-02-20),

13. 6097726 - Virtual path merging in a multipoint-to-point network tunneling protocol (2000-08-01),

14. 6094685 - Use of control blocks to map multiple unidirectional connections (2000-07-25),

15. 6078595 - Timing synchronization and switchover in a network switch (2000-06-20),

Company Overview

Ascend Communications, Inc. is a technology company based in Westford, Massachusetts, specializing in advanced telecommunications solutions. The organization focuses on developing innovative networking products and services that enhance connectivity and communication efficiency. With a strong emphasis on research and development, Ascend is dedicated to pushing the boundaries of network technology, catering to a diverse range of industries and applications. Their expertise spans various domains, including broadband access and data networking, positioning them as a key player in the telecommunications landscape.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

29 Patents

#9 in Westford, MA

#696 in Massachusetts

#11,631 in US

#22,570 in the World

Westford, MA, United States of America

Ascend Communications, Inc.

Forward Citations = 1,533

39 inventors:

Mahesh N Ganmukhi (11 out of 40 patents)

Andrew T Hebb (5 out of 7 patents)

Patrick L DeAngelis (5 out of 5 patents)

4. Prasasth R Palnati (4 out of 4 patents)

5. Sanjay Cherian (3 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ascend Communications, Inc.. Retrieved from https://idiyas.com/company/ascend-communications

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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